1. Department of Food Science and Technology, Makerere University, P.O. Box 7062, Kampala, Uganda
2. Institute of Natural Resource and Environment, Makerere University, P.O. Box 7062, Kampala, Uganda
3. Department of Civil Engineering, Makerere University, P.O. Box 7062, Kampala, Uganda
4. Department of Building and Civil Engineering, National University of Rwanda, P.O. Box 117, Butare, Rwanda